CN105474487A - Electric wire protective member - Google Patents
Electric wire protective member Download PDFInfo
- Publication number
- CN105474487A CN105474487A CN201480044807.3A CN201480044807A CN105474487A CN 105474487 A CN105474487 A CN 105474487A CN 201480044807 A CN201480044807 A CN 201480044807A CN 105474487 A CN105474487 A CN 105474487A
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- CN
- China
- Prior art keywords
- electric wire
- protective tube
- cable protective
- tube
- branch line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0468—Corrugated
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/34—Installations of cables or lines on walls, floors or ceilings using separate protective tubing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Details Of Indoor Wiring (AREA)
Abstract
An electric wire protective member (11) comprises: a cylindrical electric wire protective tube (15), the inner side of which forms an electric wire insertion space (27); a protective tube end opening portion (31) which is provided on the electric wire protective tube (15) and from which electric wires inserted into the electric wire insertion space (27) are led out; and an electric wire fixing member (17) having an electric wire fixing plate (35) which is molded integrally with a ring-shaped covering portion (33) covering the electric wire protective tube (15) in the vicinity of the protective tube end opening portion (31) and formed by molding and on which the electric wires led out from the protective tube end opening portion (31) are placed.
Description
Technical field
The present invention relates to a kind of wire protective parts.
Background technology
Traditionally, the flexible outer tube (cable protective tube) that the bellows be such as made up of synthetic resin is such is attached to the wire harness that will be laid in automobile etc., to protect electric wire from the damage (see patent documentation 1) of external disturbance material.As shown in figure 11, slit 503 is arranged along cable protective tube 501 whole length axially, and cable protective tube 501 is by opening slit 503 and being attached to wire harness (electric wire) 505 by covering wire harness 505 from sidepiece.
In some cases, in order to be located relative to the wire harness 505 be inserted in wherein by the cable protective tube 501 in the axial direction with slit 503, utilize adherent zone 507 that cable protective tube 501 is attached to wire harness 505.Adherent zone 507 is gone back wound wire protection tube 501 and is opened to prevent slit 503.
After periphery adherent zone 507 being wrapped in the wire harness 505 inserting cable protective tube 501, adherent zone 507 is drawn from slit 503 in the end of cable protective tube.The periphery of the adherent zone 507 wound wire protection tube 501 of drawing.More specifically; adherent zone 507 is wound on the wire harness 505 on the inner circumferential side of the terminal part of the cable protective tube 501 at notch 509 place; this adherent zone 507 is drawn out to the periphery of cable protective tube 501 by notch 509, and the outer peripheral face of adherent zone 507 wound wire protection tube 501 of drawing and the periphery roughly twice of notch 509.
Prior art
Patent documentation
Patent document 1:JP2009-268254A
Summary of the invention
Technical problem
But; when the traditional structure for cable protective tube 501 and wire harness 505 being connected by winding adherent zone; make the internal diameter of cable protective tube 501 larger than the external diameter of the wire harness 505 inserted wherein, and gap 511 is formed between the inner surface of the perisporium of cable protective tube 501 and the outer peripheral face of wire harness 505.Therefore, cable protective tube 501 can not be attached to wire harness 505 fully, and the attaching precision between cable protective tube 501 and wire harness 505 can easily reduce.And; if adherent zone 507 is closely wound around, by tape wrap, the terminal part of cable protective tube 501 is attached to wire harness 505; then on each side of slit 503, the perisporium of cable protective tube 501 respect to one another can easily overlap each other; with the form making cable protective tube 501 be in reel; thus result in after the attaching by tape wrap, the problem that the diameter of cable protective tube 501 easily changes.In addition; by the adherent zone 507 around the wire harness be wrapped on the inner circumferential side of cable protective tube 501 terminal part 505 is drawn out to the outer peripheral face of cable protective tube 501 and the outer peripheral face by the adherent zone 507 of extraction being wrapped in pipe via notch 509, carry out operation cable protective tube 501 and wire harness 505 are connected.That is, to need while outer peripheral face adherent zone 507 being drawn out to cable protective tube 501 via notch 509 by cable protective tube 501 and wire harness 505 relative to axial location, thus the problem causing attachment operation bad.
Make the present invention in view of the foregoing, and the object of this invention is to provide a kind of wire protective parts, it can improve attaching precision and the attachment operation of electric wire and cable protective tube.
Issue-resolution
Use following constitution realization object of the present invention.
(1) wire protective parts, comprising: the cable protective tube of tubular, and the inside of this cable protective tube is that electric wire inserts space; Opening drawn by electric wire, and this electric wire is drawn opening and is arranged in described cable protective tube, and the electric wire inserting described electric wire insertion space draws opening extraction from this electric wire; And electric wire secure component; this electric wire secure component has electric wire binding; drawing via described electric wire the described electric wire that opening draws is placed on this electric wire binding, described electric wire binding and cover the ring-type covering part of described cable protective tube in the described electric wire position of drawing near opening shaping integratedly.
Utilization has the wire protective parts of the structure of above-mentioned (1); utilize adherent zone etc. that the electric wire via cable protective tube is drawn opening draw and be placed on the periphery of the electric wire on electric wire binding and the electric wire binding tangle up of electric wire secure component, thus electric wire is fastened to electric wire binding.Because the integrated ring-type covering part of electric wire binding of the electric wire secure component be fastened to electric wire is molded and is fastened to cable protective tube, so strongly limit the relative movement of electric wire relative to cable protective tube.As a result, the electric wire being inserted into cable protective tube is accurately located relative to cable protective tube.In addition, the electric wire binding that placed electric wire above projects to the outside that opening drawn by electric wire, and extends in the lead direction of electric wire.Therefore, under the state that electric wire is placed along electric wire binding, operator only needs adherent zone etc. to be wound around around electric wire and electric wire binding together.As a result, electric wire easily can be fastened to cable protective tube by operator, and does not need a twist of the wrist.
(2) there are the wire protective parts of the structure of above-mentioned (1); wherein; described electric wire extraction opening is that the protection tube at one end place on the bearing of trend of this cable protective tube being positioned at described cable protective tube is open-ended, and the described electric wire binding of described electric wire secure component is the branch line fastening part extended in the direction of the axle perpendicular to described cable protective tube.
Utilization has the wire protective parts of the structure of above-mentioned (2), inserts cable protective tube and serves as branch line from a part for the electric wire of the open-ended extraction of protection tube, and being bent upwards in the side perpendicular to main line and drawing.Branch line utilizes the adherent zone etc. being wrapped in its periphery to tighten together with the branch line fastening part of electric wire secure component, thus limits the relative movement of branch line relative to cable protective tube.In other words, branch line is subject to bending definitely and keeps on the direction of the axle perpendicular to cable protective tube.Therefore, operator can by not needing the simple operations of proficiency skills and accurately being located relative to cable protective tube by the branch line from main line branch.In addition, the wire protective parts constructed as described above can use with the state of the open-ended mutual abutting of the protection tube of a pair cable protective tube with identical electric wire secure component.In other words, introduced by the main line of the open-ended extraction of the protection tube of a cable protective tube and be inserted into the protection tube of another cable protective tube open-ended in.Now, to be bent upwards in the side perpendicular to main line and the branch line of branch remains between a pair branch line fastening part being placed in above and below this branch line.Utilize adherent zone etc. to be wound around and fastening branch line remain between described a pair branch line fastening part.Therefore, perpendicular to the direction of main line keeping definitely from the branch line of the electric wire branch of the open-ended extraction of protection tube via a cable protective tube and being fastened between the branch line fastening part of the electric wire secure component be placed in above and below this branch line.As a result, even if at the branch of branch line from main line branch, operator yet can not need the simple operations of proficiency skills by performing and accurately be located relative to cable protective tube by branch line.And; the branch line fastening part of the branch line fastening part being fastened to the electric wire secure component of the cable protective tube of an electric wire and the electric wire secure component being fastened to another cable protective tube from, thus operator can easily carry out the operation of branch line from main line branch.
(3) there are the wire protective parts of the structure of above-mentioned (1), wherein, described electric wire extraction opening is that the protection tube at one end place on the bearing of trend of this cable protective tube being positioned at described cable protective tube is open-ended, and the described electric wire binding of described electric wire secure component has: main line fastening part, and this main line fastening part extends on the direction of the axle along described cable protective tube; And branch line fastening part, this branch line fastening part extends on the direction of the axle perpendicular to described cable protective tube.
Utilization has the wire protective parts of the structure of above-mentioned (3), and one end of another cable protective tube can utilize binding strip, adherent zone etc. to be fastened to the main line fastening part of the electric wire binding in electric wire secure component.In other words, the electric wire secure component be molded on cable protective tube can be used and the cable protective tube of electric wire secure component is connected to another cable protective tube.Therefore, be inserted into cable protective tube and a part via the electric wire of the open-ended extraction of protection tube bends, and to be placed on branch line fastening part as branch line, and remaining electric wire be inserted in another cable protective tube as main line.In addition, another cable protective tube utilizing binding strip, adherent zone etc. to be inserted therein by main line is fastened to main line fastening part.And, utilize adherent zone etc. to be intertwined in the periphery of the branch line be placed on branch line fastening part and branch line fastening part, thus branch line is fastened to branch line fastening part.As a result, utilize wire protective parts, accurately can determine relative to cable protective tube will from the branch location of the branch line of main line branch.In addition, before main line is fastened to main line fastening part, due to another cable protective tube and wire protective isolation of components, so branch line can easily from main line branch.
(4) there are the wire protective parts of the structure of above-mentioned (1), wherein said electric wire extraction opening is that the protection tube at one end place on the bearing of trend of this cable protective tube being positioned at described cable protective tube is open-ended, and the described electric wire binding of described electric wire secure component has: branch line fastening part, and this branch line fastening part extends on the direction of the axle perpendicular to described cable protective tube; And another ring-type covering part; this another ring-type covering part is molded into draws another cable protective tube described of covering near opening at the electric wire of another cable protective tube; another cable protective tube described is arranged to described cable protective tube across described branch line fastening part, and coaxial with described cable protective tube.
Utilization has the wire protective parts of the structure of above-mentioned (4), and being determined by the branch line fastening part of electric wire secure component will from the branch location of the branch line of main line branch.The electric wire inserted from cable protective tube to another cable protective tube in the protection tube being arranged at two cable protective tubes open-ended electric wire secure component branch, thus branch line can pinpoint relative to main line while branch.In addition; before electric wire is inserted in another cable protective tube from cable protective tube; branch line that serve as a part for the electric wire from the open-ended extraction of protection tube, that have predetermined quantity electric wire can bend; to be placed on branch line fastening part, thus easily can perform the branch operation of branch line.Utilize adherent zone etc. will to bend at the open-ended place of protection tube and be placed on the periphery of the branch line on the branch line fastening part of electric wire secure component and branch line fastening part is intertwined, thus branch line is fastened to branch line fastening part.
(5) there are the wire protective parts of the structure of above-mentioned (1); wherein; the protection tube middle opening that opening is the tube wall of the middle part on the bearing of trend of this cable protective tube drilling through described cable protective tube drawn by described electric wire; and described electric wire secure component has electric wire binding; this electric wire binding and ring-type covering part shaping integratedly, this ring-type covering part is molded on described cable protective tube in the mode between being interposed in couples and by described protection tube middle opening.
Utilization has the wire protective parts of the structure of above-mentioned (5); by the electric wire of the predetermined quantity be inserted in cable protective tube formed and be placed on electric wire binding via the branch line that protection tube middle opening is drawn, this electric wire binding is with to be molded in a pair ring-type covering part be interposed in therebetween on cable protective tube and by protection tube middle opening shaping integratedly.Utilize adherent zone etc. to be intertwined in the periphery of the branch line of drawing from protection tube middle opening and electric wire binding, thus branch line is fastened to electric wire binding.Therefore, even if tension force is applied to the end side of branch line, branch line does not also rub with protection tube middle opening.As a result, the damage of edges of the protected pipe middle opening of branch line can be prevented.
The beneficial effect of the invention
Utilize according to wire protective parts of the present invention, attaching precision and the attachment operation of electric wire and cable protective tube can be improved.
Below briefly the present invention is described.Read embodiments of the present invention (hereinafter " embodiment ") by reference to accompanying drawing and can know details of the present invention further.
Accompanying drawing explanation
Fig. 1 is the perspective view of the primary clustering of the wire harness that the wire protective parts comprised according to the first embodiment of the present invention are shown;
Fig. 2 is the perspective view of the primary clustering that the wire protective parts shown in Fig. 1 are shown;
Fig. 3 is the perspective view that cable protective tube and core are shown;
Fig. 4 illustrates that cable protective tube and core are arranged on the perspective view being in the shaping dies of open mode in its bed die;
Fig. 5 illustrates the perspective view being in the shaping dies of open mode after formation wire protective parts;
Fig. 6 is the perspective view that miniature moulding press is shown;
Fig. 7 comprises: the perspective view of the primary clustering of (a) a pair wire protective parts according to a second embodiment of the present invention, and (b) illustrates the perspective view of the primary clustering of the wire harness of the wire protective parts shown in (a) comprising Fig. 7;
Fig. 8 comprises: the perspective view of the primary clustering of (a) wire protective parts according to the third embodiment of the invention, and (b) illustrates the perspective view of the primary clustering of the wire harness of the wire protective parts shown in (a) comprising Fig. 8;
Fig. 9 comprises: the perspective view of the primary clustering of (a) wire protective parts according to a fourth embodiment of the invention, and (b) comprises the perspective view of the primary clustering of the wire harness of the wire protective parts shown in (a) of Fig. 9;
Figure 10 comprises: (a) illustrates the perspective view of cable protective tube, has wherein got out protection tube intermediate openings; B () illustrates the perspective view of the primary clustering of wire protective parts according to a fifth embodiment of the invention; And (c) illustrates the perspective view of the primary clustering of the wire harness of the wire protective parts shown in (b) comprising Figure 10; And
Figure 11 is the perspective view of the primary clustering of the structure illustrated for electric wire being fastened to traditional wire harness protection pipe.
List of reference signs
11 ... wire protective parts
15 ... cable protective tube
1517 ... electric wire secure component
27 ... electric wire inserts space
29 ... electric wire
30 ... branch line
31 ... protection tube open-ended (electric wire extraction opening)
2033 ... ring-type covering part
35 ... electric wire binding
Embodiment
Hereinafter, embodiments of the invention will be described with reference to the drawings.As shown in Figure 1, the wire harness 13 that will be arranged at automobile etc. is applicable to according to the wire protective parts 11 of the first embodiment of the present invention.As shown in Figure 2, the wire protective parts 11 according to the first embodiment have: tubular cable protective tube 15, and its inside is that electric wire inserts space 27; Protection tube open-ended 31, it is configured to electric wire and draws opening; And electric wire secure component 17.
Cable protective tube 15 according to this embodiment is made up of insulating synthetic resin, and has flexibility about materials and structures.Cable protective tube 15 is formed as node shape to have flexibility; wherein multiple large-diameter portion 19 is alternately connected with multiple minor diameter 21; minor diameter 21 arranges large-diameter portion 19 adjacent each other, and concavity circumferential groove 23 is formed between large-diameter portion 19 adjacent each other.In other words, each large-diameter portion 19 and minor diameter 21 about material elastically deformable, and have flexibility about structure.So-called bellows is suitable for and makes cable protective tube 15.Certainly, the elastic tube being formed as long tubular and the hard tube without flexibility also can be used as the cable protective tube according to this embodiment.In addition, according in the cable protective tube 15 of this embodiment, the slit allowing electric wire 29 to insert is not formed; But self-evidently, such slit also can be formed in the whole length in the direction of the axle 25 along cable protective tube 15.
In a first embodiment; to be arranged in cable protective tube 15 and to insert electric wire 29 that electric wire inserts space 27 and draw opening from electric wire and draw, opening drawn by this electric wire is the protection tube open-ended 31 arranged at least one end place on this cable protective tube 15 bearing of trend of cable protective tube 15.
Electric wire secure component 17 according to the first embodiment is made up of insulating synthetic resin, and has ring-type covering part 33 and electric wire binding 35 integrated with ring-type covering part 33.Ring-type covering part 33 is covering cable protective tube 15 near open-ended 31 places of protection tube, and the firmly attaching by being molded.In this embodiment, ring-type covering part 33 is molded on the outer peripheral face of close protection tube open-ended 31 of cable protective tube 15, makes the large-diameter portion 19 that it covers circumferential groove 23 and is adjacent.
Electric wire binding 35 is one-body molded with ring-type covering part 33.The rectangular shape extended on the direction of the axle 25 along cable protective tube 15 is formed as according to the electric wire binding 35 of the first embodiment.Electric wire 29 through open-ended 31 extractions of protection tube is placed on to be had on the electric wire binding 35 of rectangular strip.Electric wire secure component 17 to be inserted in the shaping dies 70 (see Fig. 4) that hereinafter describes and to be molded together with cable protective tube 15.Ring-type covering part 33 is to be molded throughout the mode of at least plural large-diameter portion 19.When slit is formed in cable protective tube 15, slit is also formed in ring-type covering part 33.As a result, ring-type covering part 33 has C shape cross section and becomes and opens.
And as shown in Figure 1, the periphery and this electric wire binding 35 that are placed on the electric wire 29 had on the electric wire binding 35 of rectangular strip are intertwined, thus electric wire 29 is fastened to electric wire secure component 17.The end side that the part 39 come off for preventing adherent zone 37 is arranged on the bearing of trend of electric wire binding 35 is sagging.The electric wire 29 be wound around by adherent zone 37 together with electric wire binding 35 is fastened to this electric wire binding 35 integratedly by the adhesion of adherent zone 37.Utilize this structure; because electric wire 29 is fastened to cable protective tube 15 via the ring-type covering part 33 of electric wire binding 35 and electric wire secure component 17; even if so tension force is applied to the electric wire 29 be inserted in cable protective tube 15, also limit electric wire 29 and cable protective tube 15 relative movement on the direction along axle 25 definitely.
The function with the wire protective parts 11 of above-mentioned structure will be described.According in the wire protective parts 11 of the first embodiment, the ring-type covering part 33 of electric wire secure component 17 is by molded and be firmly attached to cable protective tube 15 near protection tube open-ended 31.Electric wire binding 35 and ring-type covering part 33 are molded integratedly; and utilize adherent zone 37 to draw through protection tube open-ended 31 and to be placed on periphery and electric wire binding 35 tangle up of the electric wire 29 on electric wire binding 35, thus electric wire 29 is fastened to electric wire binding 35.Because the integrated ring-type covering part 33 of electric wire binding 35 of the electric wire secure component 17 be fastened to electric wire 29 is molded and is fastened to cable protective tube 15, so strongly limit the relative movement of electric wire 29 relative to cable protective tube 15.As a result, the electric wire 29 being inserted into cable protective tube 15 is accurately located relative to cable protective tube 15.
In addition, the electric wire binding 35 that it placed electric wire 29 projects to the outside of protection tube open-ended 31, and extends in the lead direction of electric wire 29.Therefore, under the state that electric wire 29 is placed along electric wire binding 35, operator only needs adherent zone 37 to be wound around together with electric wire binding around electric wire.As a result, utilize said wires guard block 11, electric wire 29 can be easily fastened to cable protective tube 15 and not need a twist of the wrist by operator.
Then, the production method of said wires guard block 11 will be described.As shown in Figure 3, first, core 79 is inserted in cable protective tube 15 with molded wire protective parts 11.Core 79 is made up of axle 81, the diameter of this axle 81 no better than the internal diameter of cable protective tube 15 can be inserted in cable protective tube 15.Before cable protective tube 15 is placed in shaping dies 70, the axle 81 serving as core 79 is inserted in cable protective tube 15.Therefore, the injection pressure that cable protective tube 15 is not heated to the moulded resin of high temperature is damaged by pressure.
As shown in Figure 4, shaping dies 70 is made up of the mold 73 be made up of synthetic resin respectively and bed die 75.Core 79 is inserted in interior cable protective tube 15 to be placed in the cable protective tube accommodation section 71 of mold 73 and bed die 75.Mold 73 and bed die 75 be matched moulds by mold closing mechanism, and cable protective tube 15 remains on therebetween simultaneously.The chamber 80 corresponding with the ring-type covering part 33 and electric wire binding 35 that form electric wire secure component 17 is placed in and is between inner cable protective tube 15 and cable protective tube accommodation section 71.In this condition, the thermoplastic resin of melting is injected into chamber 80 from the feed path 72 of mold 73 via cast gate 74 with low pressure.The thermoplastic resin of supply scheduled volume, and make chamber 80 be full of thermoplastic resin.Solidified by thermoplastic resin, thus the electric wire secure component 17 with ring-type covering part 33 and electric wire binding 35 is shaping on the periphery of cable protective tube 15, the profile of this electric wire secure component 17 is consistent with the inner surface configuration in chamber 80.As shown in Figure 5, then moulded product is taken out from the mold 73 of the shaping dies 70 opened and bed die 75, and remove sprue 76 and cross gate 78 from cast gate 74, thus complete the production of wire protective parts 11.
Miniature moulding press 92 shown in Fig. 6 is for by the chamber 80 of thermoplastic resin injection molding mould 70 inside.Miniature moulding press 92 is moulding presses that any external driver device such as motor can not used such by individual operator operates, and by the mold closing mechanism (not shown) for opening and closing mold 73 and bed die 75 and for the low-pressure injection device 90 in molten resin pressure injection molding mould 70 is formed.Low-pressure injection device 90 has: heating cylinder 91, and this heating cylinder 91 is provided with for the heater by synthetic resin heating and melting such for such as polypropylene; Piston 93, this piston is used for the molten resin by unshowned nozzle injection heating cylinder 91 inside; Injection tube 95, for advancing piston 93; Handle 97, for driving injection tube 95; And temperature controller 99, for the heating-up temperature of thermotank 91 being remained on the temperature of expectation, and these assemblies are supported by support column 94 upright on pedestal 96.
Be such machine according to the miniature moulding press 92 of this embodiment, the amount of resin that wherein can be molded by single injection molding technique reaches about tens grams, and the matched moulds of shaping dies 70 can use such as inflator or linkage manually to perform.The injection tube 95 of low pressure injection device 90 can be driven by external driver device, such as motor or pneumatic means.Can use such as disclosed in JP2010-260297A, JP2012-30429A and JP2013-103492A " Coinjection molding apparatus ".
Shaping dies 70 according to this embodiment is placed on pedestal 96.
Mold 73 and the bed die 75 of shaping dies 70 are aligned with each other, cable protective tube 15 is remained on therebetween and is contained in cable protective tube accommodation section 71, thus the hollow space that can carry out being molded is served as in chamber 80.Then the thermoplastic resin of melting is supplied in hollow space from feed path 72 via sprue 76, cross gate 78 and cast gate 74; thus electric wire secure component 17 is formed in by injection moulding on the periphery of close protection tube open-ended 31 of cable protective tube 15, and define wire protective parts 11.Although shaping dies 70 is described as horizontal collapsible die assembly in this embodiment, shaping dies 70 can be vertical collapsible die assembly.
Then, wire protective parts 41 according to a second embodiment of the present invention will be described.In each embodiment following, the assembly identical with the wire protective parts 11 of the first embodiment according to Fig. 1 and 2 is represented by identical reference number, and omits the description repeated.As shown in (a) of Fig. 7; equally in a second embodiment; to be arranged in cable protective tube 15 and to insert electric wire 29 that electric wire inserts space 27 and draw opening from electric wire and draw, the protection tube open-ended 31 that opening is at least one end place on the bearing of trend of this cable protective tube 15 being arranged on cable protective tube 15 drawn by this electric wire.In addition, in a second embodiment, the rectangular shape extended on the direction that the axle 25 with cable protective tube 15 is vertical is formed as with the branch line fastening part (electric wire binding) 43 of ring-type covering part 33 integrated electric wire secure component 42.
Utilize the wire protective parts 41 according to the second embodiment, insert cable protective tube 15 and serve as branch line 30 from a part for the electric wire 29 of open-ended 31 extractions of protection tube, and being bent upwards in the side perpendicular to axle 25 and drawing.Branch line 30 utilizes the branch line fastening part 43 of the adherent zone 37 and electric wire secure component 42 being wrapped in its periphery to tighten together, thus limits the relative movement of branch line 30 relative to cable protective tube 15.In other words, branch line 30 is bent definitely and is kept on the direction perpendicular to axle 25.Therefore, operator can by not needing the simple operations of proficiency skills and accurately being located relative to cable protective tube 15 by the branch line 30 from electric wire 29 branch.
In addition, as shown in Fig. 7 (b), use according to the state that the wire protective parts 41 of the second embodiment can abut mutually with the protection tube open-ended 31 respectively with a pair cable protective tube 15,49 of identical electric wire secure component 42.In other words, the main line 32 via the electric wire 29 of open-ended 31 extractions of protection tube of the cable protective tube 15 serving as a cable protective tube is introduced and is inserted in the protection tube open-ended 31 of another wire protective parts 49.Now, perpendicular to the direction top set of main line 32 and bending branch line 30 remain between a pair branch line fastening part 43 being placed in above and below branch line 30.The branch line 30 a pair branch line fastening part 43 remained on therebetween is wound around by adherent zone 37 and fastening.
Therefore; electric wire 29 is drawn from the protection tube of the cable protective tube 15 serving as a cable protective tube open-ended 31, the direction perpendicular to main line 32 keeps definitely from the branch line 30 of described electric wire 29 branch and is fastened between the branch line fastening part 43 of the electric wire secure component 42 be placed in above and below this branch line.As a result, even if at the branch of branch line from main line 32 branch of electric wire 29, operator yet can not need the simple operations of proficiency skills by performing and accurately be located relative to cable protective tube 15 by branch line 30.And; the branch line fastening part 43 being anchored on the electric wire secure component 42 of the cable protective tube 15 serving as a cable protective tube is separated with the branch line fastening part 43 of the electric wire secure component 42 being anchored on another cable protective tube 49, thus operator can easily carry out the operation of branch line 30 from main line 32 branch.
Then, wire protective parts 51 according to the third embodiment of the invention will be described.As shown in (a) of Fig. 8; equally in the third embodiment; to be arranged in cable protective tube 15 and to insert electric wire 29 that electric wire inserts space 27 and draw opening from electric wire and draw, the protection tube open-ended 31 that opening is at least one end place on the bearing of trend of this cable protective tube 15 being arranged on cable protective tube 15 drawn by this electric wire.In addition; in the third embodiment; L shape is formed as with the electric wire binding 53 of the integrated electric wire secure component 52 of ring-type covering part 33; there is the main line fastening part 55 extended on the direction of the axle 25 along cable protective tube 15, and the branch line fastening part 57 extended on the direction of the axle 25 perpendicular to cable protective tube 15.
Utilize the wire protective parts 51 according to the 3rd embodiment; as shown in (b) of Fig. 8, one end of another cable protective tube 49 can utilize adherent zone 37 (or binding strip etc.) to be fastened to the main line fastening part 55 of the electric wire binding 53 in the electric wire secure component 52 of cable protective tube 15.In other words, the cable protective tube 15 of electric wire secure component 51 can use the electric wire secure component 52 that is molded on cable protective tube 15 and be connected to another cable protective tube 49.Therefore; be inserted into cable protective tube 15 and bend by a part for the electric wire 29 of open-ended 31 extractions of protection tube and be placed on branch line fastening part 57 as branch line 30, and remaining electric wire 29 is inserted in another cable protective tube 49 as main line 32.
In addition, another cable protective tube 49 inserted for main line 32 utilizes adherent zone 37 and is fastened to main line fastening part 55.And, utilize adherent zone 37 to be intertwined in the periphery of the branch line 30 be placed on branch line fastening part 57 and branch line fastening part 57, thus branch line 30 is fastened to branch line fastening part 57.As a result, utilize the wire protective parts 51 according to the 3rd embodiment, accurately can determine relative to cable protective tube 15 will from the branch location of the branch line 30 of main line 32 branch.In addition, when main line 32 is fastened to main line fastening part 55, because another cable protective tube 49 is separated with wire protective parts 51, so branch line 30 can easily from main line 32 branch.
Then, wire protective parts 56 according to a fourth embodiment of the invention will be described.As shown in (a) of Fig. 9; equally in the fourth embodiment; to be arranged in cable protective tube 15 and to insert electric wire 29 that electric wire inserts space 27 and draw opening from electric wire and draw, the protection tube open-ended 31 that opening is at least one end place on the bearing of trend of this cable protective tube 15 being arranged on cable protective tube 15 drawn by this electric wire.In addition, in the fourth embodiment, have with the electric wire binding 54 of the integrated electric wire secure component 59 of ring-type covering part 33: branch line fastening part 58, it extends on the direction of the axle 25 perpendicular to cable protective tube 15; And another ring-type covering part 33A; it is molded as and covers this another cable protective tube 49 near the protection tube of another cable protective tube 49 open-ended 31; this cable protective tube 49 is arranged to cable protective tube 15 across branch line fastening part 58, and coaxial with cable protective tube 15.
As a result, utilize the wire protective parts 56 according to the 4th embodiment, the branch line fastening part 58 of electric wire secure component 59 can be utilized to determine will from the branch location of the branch line 30 of main line 32 branch.Be inserted into electric wire secure component 59 branch of electric wire 29 between the protection tube open-ended 31 being arranged at two cable protective tubes 15,49 of another cable protective tube 49 from cable protective tube 15, thus branch line 30 can pinpoint relative to main line 32 while branch.
In addition; can before electric wire 29 be inserted in another cable protective tube 49 from cable protective tube 15; by there is predetermined number of electrical lines, the branch line 30 of a part that serves as the electric wire 29 of drawing from protection tube open-ended 31 bends; to be placed on branch line fastening part 58, thus easily can perform the branch operation of branch line 30.To bend at open-ended 31 places of protection tube and the periphery being placed on the branch line 30 on the branch line fastening part 58 of electric wire secure component 59 utilizes adherent zone 37 and branch line fastening part 58 to be intertwined, thus branch line is fastened to branch line fastening part 58.Main line 32 is inserted into another cable protective tube 49.
Then, wire protective parts 61 according to a fifth embodiment of the invention will be described.As shown in (a) of Figure 10; electric wire is drawn opening and is arranged in the cable protective tube 15 according to the wire protective parts 61 of the 5th embodiment; and be inserted into electric wire and insert the electric wire 29 in space 27 by the extraction of this electric wire extraction opening; protection tube middle opening 60 serves as described electric wire and draws opening, and this protection tube middle opening 60 bores the tube wall 63 of the mid portion on the bearing of trend of cable protective tube 15.As shown in (b) of Figure 10, the electric wire secure component 62 according to the 5th embodiment has: be molded in a pair ring-type covering part 65 on the outer peripheral face of cable protective tube 15, and protection tube middle opening 60 is interposed in therebetween by this pair ring-type covering part 65; And the electric wire binding 64 of rectangle, itself and these ring-type covering part 65 is one-body molded.The base end side of electric wire binding 64 is connected to a pair ring-type covering part 65 and this electric wire binding 64 extends on the direction of the axle 25 perpendicular to cable protective tube 15.
Utilize the wire protective parts 61 according to the 5th embodiment; formed by the electric wire being inserted into predetermined quantity in cable protective tube 15 and be bent upwards in the side perpendicular to axle 25 via the branch line 30 that protection tube middle opening 60 is drawn, and drawing from protection tube middle opening 60.The branch line 30 of drawing is placed on on a pair integrated electric wire binding 64 of ring-type covering part 65, and this pair ring-type covering part 65 is molded on cable protective tube 15, by between which sandwiched for protection tube middle opening 60.The periphery being placed on the branch line 30 on electric wire binding 64 is wound around by adherent zone 37 together with electric wire binding 64, thus branch line is fastened to electric wire binding.Therefore, even if tension force is applied to the end side of the branch line 30 being fastened to electric wire binding 64, branch line 30 is not also pulled, and does not rub with protection tube middle opening 60.As a result, prevent branch line 30 from damaging due to the contact at the edge with protection tube middle opening 60.
As a result, utilize the wire protective parts 11,41,51,61 according to each embodiment above-mentioned, attaching precision and the attachment operation of electric wire 29 and cable protective tube 15 can be improved.
Brief overview is listed the feature of the embodiment of the wire protective parts according to the invention described above below.
[1] a kind of wire protective parts 11, comprising: tubular cable protective tube 15, and the inside of this cable protective tube is that electric wire inserts space 27; Opening (protection tube is open-ended) 31 drawn by electric wire, and this electric wire is drawn opening and is arranged in cable protective tube 15, and the electric wire 29 inserting electric wire insertion space 27 draws opening extraction from this electric wire; And electric wire secure component 17; this electric wire secure component has electric wire binding 35; the electric wire 29 of drawing opening (protection tube is open-ended) 31 extraction via described electric wire is placed on this electric wire binding 35, and described electric wire binding 35 is shaping integratedly with the ring-type covering part 33 covering cable protective tube 15 in the position of drawing opening (protection tube is open-ended) 31 near electric wire.
[2] there are the wire protective parts 41 of the structure of above-mentioned [1]; wherein; the protection tube open-ended 31 that opening (protection tube is open-ended) 31 is one end places on the bearing of trend of this cable protective tube 15 of cable protective tube 15 drawn by described electric wire, and the electric wire binding of electric wire secure component 42 (branch line fastening part) 43 is the branch line fastening parts 43 extended on the direction of the axle 25 perpendicular to cable protective tube 15.
[3] there are the wire protective parts 51 of the structure of above-mentioned [1]; wherein; the protection tube open-ended 31 that opening (protection tube is open-ended) 31 is one end places on the bearing of trend of this cable protective tube 15 of cable protective tube 15 drawn by described electric wire; and the electric wire binding 53 of electric wire secure component 52 has the main line fastening part 55 extended on the direction of the axle 25 along cable protective tube 15, and the branch line fastening part 57 extended on the direction of the axle 25 perpendicular to cable protective tube 15.
[4] there are the wire protective parts 56 of the structure of above-mentioned [1], wherein the protection tube open-ended 31 that opening (protection tube is open-ended) 31 is one end places on the bearing of trend of this cable protective tube 15 of cable protective tube 15 drawn by electric wire, and the electric wire binding of electric wire secure component 59 (branch line fastening part) 58 has the branch line fastening part 58 extended on the direction of the axle 25 perpendicular to cable protective tube 15, and be molded as another ring-type electric wire covering part 33A covering another cable protective tube 49 in the electric wire position of drawing near opening (protection tube is open-ended) 31 of another cable protective tube 49, another cable protective tube 49 described is arranged to cable protective tube 15 across branch line fastening part 58, and it is coaxial with cable protective tube 15.
[5] there are the wire protective parts 61 of the structure of above-mentioned [1]; wherein; opening (protection tube middle opening) 60 drawn by electric wire is protection tube middle openings 60 that the middle part on the bearing of trend of this cable protective tube 15 of cable protective tube 15 drills through the tube wall 63 of cable protective tube 15; and electric wire secure component 62 has electric wire binding 64; this electric wire binding 64 is shaping integratedly with ring-type covering part 65, and this ring-type covering part 65 is molded on cable protective tube 15 in the mode in pairs and between being interposed in by protection tube middle opening 60.
The invention is not restricted to above-described embodiment, and can revise or improve if desired.The material, shape, size, quantity, position etc. of each assembly in above-described embodiment are optional and do not limit, as long as can realize the present invention.The present invention is the Japanese patent application No.2013-164473 based on submitting on August 7th, 2013, and the content of this patent application is incorporated to herein by reference
Industrial usability
The present invention can provide a kind of wire protective parts, which raises attaching precision and the attachment operation of electric wire and cable protective tube.
Claims (5)
1. wire protective parts, comprising:
The cable protective tube of tubular, the inside of this cable protective tube is that electric wire inserts space;
Opening drawn by electric wire, and this electric wire is drawn opening and is arranged in described cable protective tube, and the electric wire inserting described electric wire insertion space draws opening extraction from this electric wire; And
Electric wire secure component; this electric wire secure component has electric wire binding; drawing via described electric wire the described electric wire that opening draws is placed on this electric wire binding, described electric wire binding and cover the ring-type covering part of described cable protective tube in the described electric wire position of drawing near opening shaping integratedly.
2. wire protective parts according to claim 1, wherein, described electric wire extraction opening is that the protection tube at one end place on the bearing of trend of this cable protective tube being positioned at described cable protective tube is open-ended, and
Wherein, the described electric wire binding of described electric wire secure component is the branch line fastening part extended in the direction of the axle perpendicular to described cable protective tube.
3. wire protective parts according to claim 1, wherein, described electric wire extraction opening is that the protection tube at one end place on the bearing of trend of this cable protective tube being positioned at described cable protective tube is open-ended, and
Wherein, the described electric wire binding of described electric wire secure component has: main line fastening part, and this main line fastening part extends on the direction of the axle along described cable protective tube; And branch line fastening part, this branch line fastening part extends on the direction of the axle perpendicular to described cable protective tube.
4. wire protective parts according to claim 1, wherein, described electric wire extraction opening is that the protection tube at one end place on the bearing of trend of this cable protective tube being positioned at described cable protective tube is open-ended, and
Wherein, the described electric wire binding of described electric wire secure component has: branch line fastening part, and this branch line fastening part extends on the direction of the axle perpendicular to described cable protective tube; And another ring-type covering part; this another ring-type covering part is molded into draws another cable protective tube described of covering near opening at the electric wire of another cable protective tube; another cable protective tube described is arranged to described cable protective tube across described branch line fastening part, and coaxial with described cable protective tube.
5. wire protective parts according to claim 1, wherein, the protection tube middle opening that opening is the tube wall of the middle part on the bearing of trend of this cable protective tube drilling through described cable protective tube drawn by described electric wire, and
Wherein, described electric wire secure component has electric wire binding, this electric wire binding and ring-type covering part shaping integratedly, this ring-type covering part is molded on described cable protective tube in the mode between being interposed in couples and by described protection tube middle opening.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013164473A JP6145356B2 (en) | 2013-08-07 | 2013-08-07 | Wire protection member |
| JP2013-164473 | 2013-08-07 | ||
| PCT/JP2014/070817 WO2015020126A1 (en) | 2013-08-07 | 2014-08-07 | Electric wire protective member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105474487A true CN105474487A (en) | 2016-04-06 |
| CN105474487B CN105474487B (en) | 2017-10-31 |
Family
ID=52461456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480044807.3A Active CN105474487B (en) | 2013-08-07 | 2014-08-07 | Wire protective part |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9640956B2 (en) |
| JP (1) | JP6145356B2 (en) |
| CN (1) | CN105474487B (en) |
| WO (1) | WO2015020126A1 (en) |
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| CN108237989A (en) * | 2016-12-27 | 2018-07-03 | 住友电装株式会社 | Harness |
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| JP5934595B2 (en) * | 2012-07-25 | 2016-06-15 | 矢崎総業株式会社 | Wire protection member |
| JP6424800B2 (en) * | 2015-11-18 | 2018-11-21 | 株式会社オートネットワーク技術研究所 | Wire harness manufacturing method and wire harness |
| JP6439674B2 (en) * | 2015-12-22 | 2018-12-19 | 住友電装株式会社 | Protector for wire harness |
| JP6289523B2 (en) * | 2016-02-26 | 2018-03-07 | 大和化成工業株式会社 | Manufacturing method of wire harness |
| JP7166077B2 (en) * | 2018-06-06 | 2022-11-07 | 矢崎総業株式会社 | bending protector |
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| JP7006556B2 (en) * | 2018-09-28 | 2022-01-24 | 住友電装株式会社 | Wiring member |
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| JP7306301B2 (en) * | 2020-03-23 | 2023-07-11 | 住友電装株式会社 | wire harness |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20160190782A1 (en) | 2016-06-30 |
| CN105474487B (en) | 2017-10-31 |
| JP6145356B2 (en) | 2017-06-07 |
| JP2015035857A (en) | 2015-02-19 |
| WO2015020126A1 (en) | 2015-02-12 |
| US9640956B2 (en) | 2017-05-02 |
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